Wool fibres attach to each other when wool is agitated in water. The fabric structure then, is very tight wool fibres.
Animal fibres such as wool, and natural fibres such as cotton.
Because some fibres, eg wool are natural.
you get the wool fibres and wet it and make it a little soapy and then you roll it around in your hands until it goes into a hard ball. you should then wait for it to dry and this is felt
Silk, rayon and wool are all fibres.
Probably, they wove fabric from wool fibres.
a wool blend means that other than wool, there are one or more other fibres/fabrics in with the wool.
long fibres
Wool is a natural fiber obtained from animals such as sheep, goats, and alpacas. It is not a synthetic fiber, which is man-made from chemical compounds.
Yarn is made of fibres twisted together. These fibres or filaments are made of sheeps wool. :)
Fleece-bearing animals are the source of wool fibres.
Natural fibres, such as wool, is biodegradable